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<a href="_e_l_l_i2_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span><span class="comment">//===========================================================================</span><span class="comment"></span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno">    2</span><span class="comment">/*!</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno">    3</span><span class="comment"> * </span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno">    4</span><span class="comment"> *</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno">    5</span><span class="comment"> * \brief       Multi-objective optimization benchmark function ELLI 2.</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno">    6</span><span class="comment"> * </span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno">    7</span><span class="comment"> * The function is described in</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno">    8</span><span class="comment"> * </span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno">    9</span><span class="comment"> * Christian Igel, Nikolaus Hansen, and Stefan Roth. </span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno">   10</span><span class="comment"> * Covariance Matrix Adaptation for Multi-objective Optimization. </span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno">   11</span><span class="comment"> * Evolutionary Computation 15(1), pp. 1-28, 2007</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno">   12</span><span class="comment"> * </span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno">   13</span><span class="comment"> * </span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno">   14</span><span class="comment"> *</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno">   15</span><span class="comment"> * \author      -</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno">   16</span><span class="comment"> * \date        -</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno">   17</span><span class="comment"> *</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno">   18</span><span class="comment"> *</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno">   19</span><span class="comment"> * \par Copyright 1995-2017 Shark Development Team</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno">   20</span><span class="comment"> * </span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno">   21</span><span class="comment"> * &lt;BR&gt;&lt;HR&gt;</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno">   22</span><span class="comment"> * This file is part of Shark.</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span><span class="comment"> * &lt;https://shark-ml.github.io/Shark/&gt;</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno">   24</span><span class="comment"> * </span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno">   25</span><span class="comment"> * Shark is free software: you can redistribute it and/or modify</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span><span class="comment"> * it under the terms of the GNU Lesser General Public License as published </span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno">   27</span><span class="comment"> * by the Free Software Foundation, either version 3 of the License, or</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno">   28</span><span class="comment"> * (at your option) any later version.</span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno">   29</span><span class="comment"> * </span></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno">   30</span><span class="comment"> * Shark is distributed in the hope that it will be useful,</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno">   31</span><span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno">   32</span><span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the</span></div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno">   33</span><span class="comment"> * GNU Lesser General Public License for more details.</span></div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno">   34</span><span class="comment"> * </span></div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno">   35</span><span class="comment"> * You should have received a copy of the GNU Lesser General Public License</span></div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno">   36</span><span class="comment"> * along with Shark.  If not, see &lt;http://www.gnu.org/licenses/&gt;.</span></div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno">   37</span><span class="comment"> *</span></div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno">   38</span><span class="comment"> */</span></div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno">   39</span><span class="comment">//===========================================================================</span></div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno">   40</span><span class="preprocessor">#ifndef SHARK_OBJECTIVEFUNCTIONS_BENCHMARK_ELLI2_H</span></div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno">   41</span><span class="preprocessor">#define SHARK_OBJECTIVEFUNCTIONS_BENCHMARK_ELLI2_H</span></div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno">   42</span> </div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno">   43</span><span class="preprocessor">#include &lt;<a class="code" href="_abstract_objective_function_8h.html" title="AbstractObjectiveFunction.">shark/ObjectiveFunctions/AbstractObjectiveFunction.h</a>&gt;</span></div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno">   44</span><span class="preprocessor">#include &lt;<a class="code" href="_box_constraint_handler_8h.html">shark/ObjectiveFunctions/BoxConstraintHandler.h</a>&gt;</span></div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno">   45</span><span class="preprocessor">#include &lt;<a class="code" href="_random_8h.html">shark/Core/Random.h</a>&gt;</span></div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno">   46</span> </div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno">   47</span><span class="preprocessor">#include &lt;<a class="code" href="rotations_8h.html">shark/LinAlg/rotations.h</a>&gt;</span></div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno">   48</span> </div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno">   49</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceshark.html" title="AbstractMultiObjectiveOptimizer.">shark</a> {<span class="keyword">namespace </span>benchmarks{<span class="comment"></span></div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno">   50</span><span class="comment">/*! \brief Multi-objective optimization benchmark function ELLI2.</span></div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno">   51</span><span class="comment">*</span></div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno">   52</span><span class="comment">*  The function is described in</span></div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno">   53</span><span class="comment">*</span></div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno">   54</span><span class="comment">*  Christian Igel, Nikolaus Hansen, and Stefan Roth. </span></div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno">   55</span><span class="comment">*  Covariance Matrix Adaptation for Multi-objective Optimization. </span></div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno">   56</span><span class="comment">*  Evolutionary Computation 15(1), pp. 1-28, 2007 </span></div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno">   57</span><span class="comment">* \ingroup benchmarks</span></div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno">   58</span><span class="comment">*/</span></div>
<div class="foldopen" id="foldopen00059" data-start="{" data-end="};">
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"><a class="line" href="structshark_1_1benchmarks_1_1_e_l_l_i2.html">   59</a></span><span class="keyword">struct </span><a class="code hl_struct" href="structshark_1_1benchmarks_1_1_e_l_l_i2.html" title="Multi-objective optimization benchmark function ELLI2.">ELLI2</a> : <span class="keyword">public</span> <a class="code hl_class" href="classshark_1_1_abstract_objective_function.html" title="Super class of all objective functions for optimization and learning.">MultiObjectiveFunction</a>{</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno">   60</span> </div>
<div class="foldopen" id="foldopen00061" data-start="{" data-end="}">
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"><a class="line" href="structshark_1_1benchmarks_1_1_e_l_l_i2.html#ae8dec8fa3a632a623ef2a8d36426ddfb">   61</a></span>    <a class="code hl_function" href="structshark_1_1benchmarks_1_1_e_l_l_i2.html#ae8dec8fa3a632a623ef2a8d36426ddfb">ELLI2</a>(std::size_t numVariables = 0) : m_a( 1E6 ){</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno">   62</span>        <a class="code hl_variable" href="classshark_1_1_abstract_objective_function.html#ad8888c58fd3f98e73013afb5dd4b2af1">m_features</a> |= <a class="code hl_enumvalue" href="classshark_1_1_abstract_objective_function.html#aadafeb6dfb5b649f321e7b81ac8aad1aab9262b57bb302f04b2561666a9068446" title="The function can propose a sensible starting point to search algorithms.">CAN_PROPOSE_STARTING_POINT</a>;</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno">   63</span>        <a class="code hl_function" href="structshark_1_1benchmarks_1_1_e_l_l_i2.html#aa2b9d8053bd55dcac7c91b47feb309fc" title="Adjusts the number of variables if the function is scalable.">setNumberOfVariables</a>(numVariables);</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno">   64</span>    }</div>
</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno">   65</span><span class="comment"></span> </div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno">   66</span><span class="comment">    /// \brief From INameable: return the class name.</span></div>
<div class="foldopen" id="foldopen00067" data-start="{" data-end="}">
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"><a class="line" href="structshark_1_1benchmarks_1_1_e_l_l_i2.html#a6eb3bea91daa65d2e8dc01ef97cf8c79">   67</a></span><span class="comment"></span>    std::string <a class="code hl_function" href="structshark_1_1benchmarks_1_1_e_l_l_i2.html#a6eb3bea91daa65d2e8dc01ef97cf8c79" title="From INameable: return the class name.">name</a>()<span class="keyword"> const</span></div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno">   68</span><span class="keyword">    </span>{ <span class="keywordflow">return</span> <span class="stringliteral">&quot;ELLI2&quot;</span>; }</div>
</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno">   69</span> </div>
<div class="foldopen" id="foldopen00070" data-start="{" data-end="}">
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"><a class="line" href="structshark_1_1benchmarks_1_1_e_l_l_i2.html#a15881ea77d9e2b1a60cc0f1d48d7ce0d">   70</a></span>    std::size_t <a class="code hl_function" href="structshark_1_1benchmarks_1_1_e_l_l_i2.html#a15881ea77d9e2b1a60cc0f1d48d7ce0d">numberOfObjectives</a>()<span class="keyword">const</span>{</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno">   71</span>        <span class="keywordflow">return</span> 2;</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno">   72</span>    }</div>
</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno">   73</span>    </div>
<div class="foldopen" id="foldopen00074" data-start="{" data-end="}">
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"><a class="line" href="structshark_1_1benchmarks_1_1_e_l_l_i2.html#a9fab63d5c81cc2fa16b9da7aa7d16875">   74</a></span>    std::size_t <a class="code hl_function" href="structshark_1_1benchmarks_1_1_e_l_l_i2.html#a9fab63d5c81cc2fa16b9da7aa7d16875" title="Accesses the number of variables.">numberOfVariables</a>()<span class="keyword">const</span>{</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno">   75</span>        <span class="keywordflow">return</span> m_coefficients.size();</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno">   76</span>    }</div>
</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno">   77</span>    </div>
<div class="foldopen" id="foldopen00078" data-start="{" data-end="}">
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"><a class="line" href="structshark_1_1benchmarks_1_1_e_l_l_i2.html#a9bf5e5ebc46d91890bf4204b48e9cf33">   78</a></span>    <span class="keywordtype">bool</span> <a class="code hl_function" href="structshark_1_1benchmarks_1_1_e_l_l_i2.html#a9bf5e5ebc46d91890bf4204b48e9cf33">hasScalableDimensionality</a>()<span class="keyword">const</span>{</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno">   79</span>        <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno">   80</span>    }</div>
</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno">   81</span> </div>
<div class="foldopen" id="foldopen00082" data-start="{" data-end="}">
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"><a class="line" href="structshark_1_1benchmarks_1_1_e_l_l_i2.html#aa2b9d8053bd55dcac7c91b47feb309fc">   82</a></span>    <span class="keywordtype">void</span> <a class="code hl_function" href="structshark_1_1benchmarks_1_1_e_l_l_i2.html#aa2b9d8053bd55dcac7c91b47feb309fc" title="Adjusts the number of variables if the function is scalable.">setNumberOfVariables</a>( std::size_t numVariables ){</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno">   83</span>        m_coefficients.resize(numVariables);</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno">   84</span>        <span class="keywordflow">for</span>(std::size_t i = 0; i != numVariables; ++i){</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno">   85</span>            m_coefficients(i) = std::pow(m_a, 2.0 * (i / (numVariables - 1.0)));</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno">   86</span>        }</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno">   87</span>    }</div>
</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno">   88</span> </div>
<div class="foldopen" id="foldopen00089" data-start="{" data-end="}">
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"><a class="line" href="structshark_1_1benchmarks_1_1_e_l_l_i2.html#a77dcade2f01cddb4879bb472ee00f3be">   89</a></span>    <span class="keywordtype">void</span> <a class="code hl_function" href="structshark_1_1benchmarks_1_1_e_l_l_i2.html#a77dcade2f01cddb4879bb472ee00f3be">init</a>() {</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno">   90</span>        m_rotationMatrix1 = <a class="code hl_function" href="group__shark__globals.html#gaca87daf2818038a5ad7f7b89f0d60d3b" title="Initializes a matrix such that it forms a random rotation matrix.">blas::randomRotationMatrix</a>(*<a class="code hl_variable" href="classshark_1_1_abstract_objective_function.html#a6a27bddca6060f7861c49b05f8ec8435">mep_rng</a>, <a class="code hl_function" href="structshark_1_1benchmarks_1_1_e_l_l_i2.html#a9fab63d5c81cc2fa16b9da7aa7d16875" title="Accesses the number of variables.">numberOfVariables</a>() );</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno">   91</span>        m_rotationMatrix2 = <a class="code hl_function" href="group__shark__globals.html#gaca87daf2818038a5ad7f7b89f0d60d3b" title="Initializes a matrix such that it forms a random rotation matrix.">blas::randomRotationMatrix</a>(*<a class="code hl_variable" href="classshark_1_1_abstract_objective_function.html#a6a27bddca6060f7861c49b05f8ec8435">mep_rng</a>, <a class="code hl_function" href="structshark_1_1benchmarks_1_1_e_l_l_i2.html#a9fab63d5c81cc2fa16b9da7aa7d16875" title="Accesses the number of variables.">numberOfVariables</a>() );</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno">   92</span>    }</div>
</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno">   93</span> </div>
<div class="foldopen" id="foldopen00094" data-start="{" data-end="}">
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"><a class="line" href="structshark_1_1benchmarks_1_1_e_l_l_i2.html#aaf079391316c77a65ed34c9b557665ba">   94</a></span>    <a class="code hl_typedef" href="classshark_1_1_abstract_objective_function.html#a70f0672a3c3b24c437c81243624b5307">ResultType</a> <a class="code hl_function" href="structshark_1_1benchmarks_1_1_e_l_l_i2.html#aaf079391316c77a65ed34c9b557665ba" title="Evaluates the objective function for the supplied argument.">eval</a>( <span class="keyword">const</span> <a class="code hl_typedef" href="classshark_1_1_abstract_objective_function.html#a59bfea031628e16737c66e7117eba7b5">SearchPointType</a> &amp; x )<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno">   95</span>        <a class="code hl_variable" href="classshark_1_1_abstract_objective_function.html#af0942c072be06d0dd4da5ee7067c5777" title="Evaluation counter, default value: 0.">m_evaluationCounter</a>++;</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno">   96</span> </div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno">   97</span>        <a class="code hl_typedef" href="classshark_1_1_abstract_objective_function.html#a70f0672a3c3b24c437c81243624b5307">ResultType</a> value( 2 );</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno">   98</span> </div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno">   99</span>        <a class="code hl_typedef" href="classshark_1_1_abstract_objective_function.html#a59bfea031628e16737c66e7117eba7b5">SearchPointType</a> y = prod( m_rotationMatrix1, x );</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno">  100</span>        <a class="code hl_typedef" href="classshark_1_1_abstract_objective_function.html#a59bfea031628e16737c66e7117eba7b5">SearchPointType</a> z = prod( m_rotationMatrix2, x );</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno">  101</span> </div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno">  102</span>        <span class="keywordtype">double</span> sum1 = 0.0;</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno">  103</span>        <span class="keywordtype">double</span> sum2 = 0.0;</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno">  104</span>        <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0; i &lt; <a class="code hl_function" href="structshark_1_1benchmarks_1_1_e_l_l_i2.html#a9fab63d5c81cc2fa16b9da7aa7d16875" title="Accesses the number of variables.">numberOfVariables</a>(); i++) {</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno">  105</span>            sum1 += m_coefficients(i) * <a class="code hl_function" href="group__shark__globals.html#gae1f82613484173e9fe1a07960dabff63" title="Calculates x^2.">sqr</a>( y(i) );</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno">  106</span>            sum2 += m_coefficients(i) * <a class="code hl_function" href="group__shark__globals.html#gae1f82613484173e9fe1a07960dabff63" title="Calculates x^2.">sqr</a>( z(i) - 2.0 );</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno">  107</span>        }</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno">  108</span> </div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno">  109</span>        value[0] = sum1 / ( <a class="code hl_function" href="group__shark__globals.html#gae1f82613484173e9fe1a07960dabff63" title="Calculates x^2.">sqr</a>(m_a) * <a class="code hl_function" href="structshark_1_1benchmarks_1_1_e_l_l_i2.html#a9fab63d5c81cc2fa16b9da7aa7d16875" title="Accesses the number of variables.">numberOfVariables</a>() );</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno">  110</span>        value[1] = sum2 / ( <a class="code hl_function" href="group__shark__globals.html#gae1f82613484173e9fe1a07960dabff63" title="Calculates x^2.">sqr</a>(m_a) * <a class="code hl_function" href="structshark_1_1benchmarks_1_1_e_l_l_i2.html#a9fab63d5c81cc2fa16b9da7aa7d16875" title="Accesses the number of variables.">numberOfVariables</a>() );</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno">  111</span> </div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno">  112</span>        <span class="keywordflow">return</span> value;</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno">  113</span>    }</div>
</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno">  114</span> </div>
<div class="foldopen" id="foldopen00115" data-start="{" data-end="}">
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"><a class="line" href="structshark_1_1benchmarks_1_1_e_l_l_i2.html#a4309b3cf58d96223d42cd9087bbba6c6">  115</a></span>    <a class="code hl_typedef" href="classshark_1_1_abstract_objective_function.html#a59bfea031628e16737c66e7117eba7b5">SearchPointType</a> <a class="code hl_function" href="structshark_1_1benchmarks_1_1_e_l_l_i2.html#a4309b3cf58d96223d42cd9087bbba6c6" title="Proposes a starting point in the feasible search space of the function.">proposeStartingPoint</a>()<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno">  116</span>        RealVector x(<a class="code hl_function" href="structshark_1_1benchmarks_1_1_e_l_l_i2.html#a9fab63d5c81cc2fa16b9da7aa7d16875" title="Accesses the number of variables.">numberOfVariables</a>());</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno">  117</span> </div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno">  118</span>        <span class="keywordflow">for</span> (std::size_t i = 0; i &lt; x.size(); i++) {</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno">  119</span>            x(i) = <a class="code hl_function" href="namespaceshark_1_1random.html#a18f302ea18f70835c59935973ba8ea84" title="Draws a number uniformly in [lower,upper] by drawing random numbers from rng.">random::uni</a>(*<a class="code hl_variable" href="classshark_1_1_abstract_objective_function.html#a6a27bddca6060f7861c49b05f8ec8435">mep_rng</a>, -10,10);</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno">  120</span>        }</div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno">  121</span>        <span class="keywordflow">return</span> x;</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno">  122</span>    }</div>
</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno">  123</span> </div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno">  124</span><span class="keyword">private</span>:</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno">  125</span>    <span class="keywordtype">double</span> m_a;</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno">  126</span>    RealMatrix m_rotationMatrix1;</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno">  127</span>    RealMatrix m_rotationMatrix2;</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno">  128</span>    RealVector m_coefficients;</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno">  129</span>};</div>
</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno">  130</span> </div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno">  131</span>}}</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno">  132</span><span class="preprocessor">#endif</span></div>
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